cacheops-vipt.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 25 行

/*
 * cacheops-vipt.h
 *
 * Copyright (C) 2004 ARM Limited
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#define DCACHE_COLOUR(vaddr)		((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
#define CACHE_ALIASES(paddr, vaddr)	(DCACHE_COLOUR(paddr) != DCACHE_COLOUR(vaddr))

extern void flush_cache_page_colour(unsigned long paddr, unsigned int colour);
extern int vipt_cache_aliasing;